This book provides a collection of the latest research papers presented at 2025 11th International Conference on Coastal and Ocean Engineering, held in Dalian, China, from August 8-10, 2025. It gathers contributions from leading experts, researchers, and practitioners in the fields of coastal and ocean engineering, emphasizing the technological challenges and advancements in maritime environments. And it features cutting-edge technologies, case studies, theoretical research and applications. Topics discussed in the book include coastal infrastructure developments, sustainable ocean management, marine and offshore wind energy, offshore engineering, underwater engineering, marine and offshore wind energy, hydrodynamics of off shore structures, offshore oil development technology and equipment, ships and floating structures etc.

Prof. Jeng Dong-Sheng obtained his B.Eng. and M. Eng. in civil engineering from National Chung-Hsing University (Taiwan, China) and Ph.D. in coastal engineering from The University of Western Australia (Australia). He has been worked in numerous universities, University of Western Australia, Griffith University, University of Sydney, University of Dundee (UK) in his academic career. Currently, he is Professor at School of Engineering and Built Environment, Griffith University Gold Coast Campus (Australia), and Chair Professor at School of Civil Engineering, Qingdao University of Technology (China). His research is on the porous flow modeling, coastal geotechnical engineering, groundwater hydrodynamics, solute transport in porous media, offshore wind energy, offshore fish farming, and application of artificial neural Network in civil engineering. 

Prof. Cai Baoping is Professor and Doctoral Supervisor of China University of Petroleum (East China), Recipient of the National Science Fund for Distinguished Young Scholars, Distinguished Young Scholar of Shandong Province, Taishan Scholar of Shandong Province, and Xiangjiang Scholar of Hong Kong. 
Professor Guoqing Zhang currently serves as Director of the Discipline Construction Center of the Navigation College at Dalian Maritime University. He has also been honored as Excellent Communist Party Member by the Ministry of Transport and an Outstanding Teacher in Liaoning Province. His research mainly focuses on the guidance and control of marine unmanned systems.